27
votes
Accepted
How can I simulate an arbitary key event from Elisp?
You can feed arbitrary events (keystrokes, mouse clicks, etc.) to the command loop by putting them onto unread-command-events. For example, the following will cause the command loop to execute a ...
- 5,480
14
votes
How can I simulate an arbitary key event from Elisp?
The simplest way I know of is just to use execute-kbd-macro:
(defun foo () (interactive) (execute-kbd-macro (kbd "<escape>")))
(global-set-key (kbd "C-`") 'foo)
- 4,950
7
votes
Accepted
Looking for something like a `first-keypress-in-a-while-hook`
You could try:
(defun my-run-fkpiawh ()
(remove-hook 'pre-command-hook #'my-run-fkpiawh)
(run-hooks 'first-keypress-in-a-while-hook))
(run-with-idle-timer 1200 t (lambda ()
...
- 25.2k
6
votes
Looking for something like a `first-keypress-in-a-while-hook`
I guess a solution of your problem is setting a flag with an idle timer, https://www.gnu.org/software/emacs/manual/html_node/elisp/Idle-Timers.html
and checking/unsetting it with post-self-insert-...
- 843
6
votes
Accepted
How to detect if `read-event` or `y-or-n-p` is running?
Best method seems to be found in eldoc that also displays temporary info in minibuffer:
;; Decide whether now is a good time to display a message.
(defun eldoc-display-message-p ()
(and (eldoc-...
- 1,072
6
votes
4
votes
How can I simulate an arbitary key event from Elisp?
Taken from this answer, you can use global-set-key like this
(global-set-key (kbd "C-`") (kbd "<escape>"))
Which will treat C-` as escape
This does seem to have some problems though if the ...
- 391
4
votes
Accepted
How can I convert a C-key code into a 'normal' key code?
I think you want event-basic-type. E.g. (event-basic-type ?\C-;) returns ?;.
If you want to only stop the control modifier but keep the other modifiers (e.g. the shift modifier), then you can try ...
- 25.2k
4
votes
Translating strings to keypresses
Okay, so my first answer has a number of shortcomings as detailed in its comments.
execute-kbd-macro is a built-in function in C source code.
(execute-kbd-macro MACRO &optional COUNT LOOPFUNC)
...
- 9,993
3
votes
Accepted
How to access mouse event coordinates? (conveniently)
There is a list of functions with the posn prefix to extract that information and more from mouse events. One caveat is that many of them require a start/end event:
(let ((e (read-event)))
(when (...
- 21k
3
votes
Accepted
How to get the string representation of a keymap event?
If a single key/character, just use function single-key-description.
(single-key-description 19) ; => "C-s"
If a list of characters, convert them to a string and use function key-description.
(...
- 69.2k
3
votes
Accepted
How to use unread-command-events variable?
How can i achieve my goal? Should i take another approach?
IIUC the problem arises from a misuse of nconc. The value of unread-command-events is often nil, in which case nconc will not alter it in-...
- 11.3k
3
votes
Making read-char input robust?
Ok: the answer really is just to use read-char-exclusive instead of read-char. It works perfectly.
I wasn't working for me because of some problem in my configurations.
- 61
2
votes
How can I simulate an arbitary key event from Elisp?
After reading the suggestion from jch to use unread-command-events, I was able to hack together a solution that will do some of the things that I am looking for.
(defun my-simulate-key-event (event &...
- 7,763
2
votes
Remap input event in all contexts
function-key-map and input-decode-map definitely apply in the middle of a key-sequence as well.
- 25.2k
2
votes
Accepted
elisp - detect line change event to trigger function
The answer to “I want to detect (…) event” is usually to use the appropriate hook. The manual has a list of standard hooks. There's no hook that triggers on a line change, so the next thing is to look ...
1
vote
Accepted
`read-event`: How to cancel a mouse event once read
Whenever you click on the mouse, two events are generated. In this case down-mouse-1 and mouse-1.
Your code consumes down-mouse-1, but leaves the second in the queue.
If you consume both, the problem ...
- 5,735
1
vote
tooltip-functions not working?
Not exactly an answer, but a dirty workaround: give up using tooltip-functions and bind the function directly to mouse-movement, like this:
(defun my-tooltip (event)
(interactive "e")
(...
- 161
1
vote
unread-command-events and batch mode
This is expected behavior, but you can circumvent this problem by let-binding executing-kbd-macro to t, which will convince the minibuffer commands to read from unread-command-events rather than from ...
- 25.2k
1
vote
Accepted
How to count the number of clocks of some given duration?
my-count-clocks in the following Elisp section defines a function that counts clocks in the current org-mode section. It does not descent into sub-sections. You can easily modify my-count-clocks to ...
- 29.9k
1
vote
Accepted
Wait for release a key to go on in a loop
Release of a keyboard key is not an event that is detected by Emacs. (But release of a mouse button is an event seen by Emacs.)
Maybe change from reading and acting on a single character to acting on ...
- 69.2k
1
vote
How to detect if `read-event` or `y-or-n-p` is running?
For y-or-n-p, you could check the value of input-method-use-echo-area. It is turned on by read-key-sequence, which is indirectly used by y-or-n-p – and quite likely by various other commands you'd ...
- 2,351
1
vote
Send input to multiple buffers simultaneously
If you have to stay in emacs, then the two options I've tried are:
(process-send-string "my-vm-1" "command to vm")
where I'd change my-vm-1 to my-vm-2 and so on in a macro. The other option I use ...
- 5,325
1
vote
Accepted
Help with my double tap key-binding function
Based on phils' comment, this is what I needed to do to make it work:
(setq doubletap-flag nil)
(defun doubletap (doubletap-key1 doubletap-key2 doubletap-wait doubletap-function)
(setq doubletap-...
- 768
1
vote
Accepted
How to move point with mousepointer on shift-click in emacs
You need to manually move the point in your function like this:
(defun mouse-test (event)
"Move the point to the clicked position and message the thing at point."
(interactive "e")
(let ((es (...
- 12.1k
Only top scored, non community-wiki answers of a minimum length are eligible